1326671612 has 24 divisors (see below), whose sum is σ = 2654354304. Its totient is φ = 568356912.

The previous prime is 1326671587. The next prime is 1326671627. The reversal of 1326671612 is 2161766231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81803 + ... + 96669.

It is an arithmetic number, because the mean of its divisors is an integer number (110598096).

Almost surely, 2^1326671612 is an apocalyptic number.

It is an amenable number.

1326671612 is an abundant number, since it is smaller than the sum of its proper divisors (1327682692).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1326671612 is a wasteful number, since it uses less digits than its factorization.

1326671612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18065 (or 18063 counting only the distinct ones).

The product of its digits is 18144, while the sum is 35.

The square root of 1326671612 is about 36423.5035656923. The cubic root of 1326671612 is about 1098.8063117240.

The spelling of 1326671612 in words is "one billion, three hundred twenty-six million, six hundred seventy-one thousand, six hundred twelve".